Keywords
oxidative proteins
histones
neutrophils extracellular traps chronic kidney disease
Abstract
Recent findings have demonstrated the impaired functions of neutrophils of patients with chronic renal failure. The purpose of our research was to study oxidative modified proteins, as well as the histone spectrum in neutrophils drawn from patients with chronic kidney disease, and to estimate the ability of neutrophils to form spontaneous neutrophil extracellular traps. In this work, we have assumed that metabolic alteration in neutrophils may develop at early stages of chronic kidney disease. Materials and methods: Neutrophils obtained from patients with various stages of chronic kidney disease and degrees of chronic renal failure were used. As control, blood samples obtained from 32 healthy individuals was employed. In the examined neutrophils, advanced oxidation protein products, protein reactive carbonyl derivatives, as well as nucleosomal histones were detected. The ability of neutrophils to form spontaneous neutrophil extracellular traps was estimated. Our results have demonstrated an increase of nucleosomal histones in neutrophils of all patients with chronic kidney disease. Moreover, our work fixes the rate of growth of intracellular advanced oxidation protein products and the decreasing of protein reactive carbonyl derivatives in neutrophils from patients with chronic kidney disease. Furthermore, we demonstrate the presence of the neutrophils with altered oxidative status and the decomposition of the histone spectrum in the circulation of patients with chronic kidney disease.
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